#alert tls $EXTERNAL_NET [443,4443] -> $HOME_NET any (msg:"ET DELETED Possible Upatre or Dyre SSL Cert June 9 2015"; flow:established,from_server; content:"|16|"; content:"|0b|"; within:8; content:"|02 09 00|"; distance:17; within:3; content:"|06 03 55 04 06 13 02|"; distance:0; pcre:"/^[A-Z]{2}[01]/R"; content:"|30 09 06 03 55 04 08 0c 02|"; distance:1; within:9; fast_pattern; pcre:"/^[A-Z]{2}[01]/R"; content:"|06 03 55 04 07 0c|"; within:9; byte_test:1,>,9,0,relative; byte_test:1,<,121,0,relative; pcre:"/^.{1}(?=[a-z0-9]{0,119}[A-Z])(?=[A-Z0-9]{0,119}[a-z])[a-zA-Z0-9]{10,120}[01]/R"; content:"|06 03 55 04 0a 0c|"; within:9; byte_extract:1,0,orglen,relative; content:!"|20|"; within:orglen; pcre:"/^(?=[a-z0-9]{0,119}[A-Z])(?=[A-Z0-9]{0,119}[a-z])[a-zA-Z0-9]{10,120}[01]/R"; content:"|06 03 55 04 03 0c|"; within:9; byte_extract:1,0,cnlen,relative; content:!"|2e|"; within:cnlen; content:!"|2a|"; within:cnlen; pcre:"/^(?=[a-z0-9]{0,119}[A-Z])(?=[A-Z0-9]{0,119}[a-z])(?P[a-zA-Z0-9]{10,120}[01]).+?\x55\x04\x03.{2}(?P=var)/Rs"; classtype:trojan-activity; sid:2021225; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2015_06_10, deployment Perimeter, malware_family Upatre, signature_severity Critical, tag SSL_Malicious_Cert, tag Exploit_Kit, tag Downloader, tag Upatre, updated_at 2016_07_01;)

Added 2021-09-21 20:00:12 UTC


#alert tls $EXTERNAL_NET [443,4443] -> $HOME_NET any (msg:"ET DELETED Possible Upatre or Dyre SSL Cert June 9 2015"; flow:established,from_server; content:"|16|"; content:"|0b|"; within:8; content:"|02 09 00|"; distance:17; within:3; content:"|06 03 55 04 06 13 02|"; distance:0; pcre:"/^[A-Z]{2}[01]/R"; content:"|30 09 06 03 55 04 08 0c 02|"; distance:1; within:9; fast_pattern; pcre:"/^[A-Z]{2}[01]/R"; content:"|06 03 55 04 07 0c|"; within:9; byte_test:1,>,9,0,relative; byte_test:1,<,121,0,relative; pcre:"/^.{1}(?=[a-z0-9]{0,119}[A-Z])(?=[A-Z0-9]{0,119}[a-z])[a-zA-Z0-9]{10,120}[01]/R"; content:"|06 03 55 04 0a 0c|"; within:9; byte_extract:1,0,orglen,relative; content:!"|20|"; within:orglen; pcre:"/^(?=[a-z0-9]{0,119}[A-Z])(?=[A-Z0-9]{0,119}[a-z])[a-zA-Z0-9]{10,120}[01]/R"; content:"|06 03 55 04 03 0c|"; within:9; byte_extract:1,0,cnlen,relative; content:!"|2e|"; within:cnlen; content:!"|2a|"; within:cnlen; pcre:"/^(?=[a-z0-9]{0,119}[A-Z])(?=[A-Z0-9]{0,119}[a-z])(?P[a-zA-Z0-9]{10,120}[01]).+?\x55\x04\x03.{2}(?P=var)/Rs"; classtype:trojan-activity; sid:2021225; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2015_06_09, deployment Perimeter, malware_family Upatre, signature_severity Critical, tag SSL_Malicious_Cert, tag Exploit_Kit, tag Downloader, tag Upatre, updated_at 2016_07_01;)

Added 2020-08-05 19:11:18 UTC


#alert tls $EXTERNAL_NET [443,4443] -> $HOME_NET any (msg:"ET DELETED Possible Upatre or Dyre SSL Cert June 9 2015"; flow:established,from_server; content:"|16|"; content:"|0b|"; within:8; content:"|02 09 00|"; distance:17; within:3; content:"|06 03 55 04 06 13 02|"; distance:0; pcre:"/^[A-Z]{2}[01]/R"; content:"|30 09 06 03 55 04 08 0c 02|"; distance:1; within:9; fast_pattern; pcre:"/^[A-Z]{2}[01]/R"; content:"|06 03 55 04 07 0c|"; within:9; byte_test:1,>,9,0,relative; byte_test:1,<,121,0,relative; pcre:"/^.{1}(?=[a-z0-9]{0,119}[A-Z])(?=[A-Z0-9]{0,119}[a-z])[a-zA-Z0-9]{10,120}[01]/R"; content:"|06 03 55 04 0a 0c|"; within:9; byte_extract:1,0,orglen,relative; content:!"|20|"; within:orglen; pcre:"/^(?=[a-z0-9]{0,119}[A-Z])(?=[A-Z0-9]{0,119}[a-z])[a-zA-Z0-9]{10,120}[01]/R"; content:"|06 03 55 04 03 0c|"; within:9; byte_extract:1,0,cnlen,relative; content:!"|2e|"; within:cnlen; content:!"|2a|"; within:cnlen; pcre:"/^(?=[a-z0-9]{0,119}[A-Z])(?=[A-Z0-9]{0,119}[a-z])(?P[a-zA-Z0-9]{10,120}[01]).+?\x55\x04\x03.{2}(?P=var)/Rs"; classtype:trojan-activity; sid:2021225; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, tag SSL_Malicious_Cert, tag Exploit_Kit, tag Downloader, tag Upatre, signature_severity Critical, created_at 2015_06_09, malware_family Upatre, updated_at 2016_07_01;)

Added 2017-08-07 21:15:53 UTC


#alert tls $EXTERNAL_NET [443,4443] -> $HOME_NET any (msg:"ET DELETED Possible Upatre or Dyre SSL Cert June 9 2015"; flow:established,from_server; content:"|16|"; content:"|0b|"; within:8; content:"|02 09 00|"; distance:17; within:3; content:"|06 03 55 04 06 13 02|"; distance:0; pcre:"/^[A-Z]{2}[01]/R"; content:"|30 09 06 03 55 04 08 0c 02|"; distance:1; within:9; fast_pattern; pcre:"/^[A-Z]{2}[01]/R"; content:"|06 03 55 04 07 0c|"; within:9; byte_test:1,>,9,0,relative; byte_test:1,<,121,0,relative; pcre:"/^.{1}(?=[a-z0-9]{0,119}[A-Z])(?=[A-Z0-9]{0,119}[a-z])[a-zA-Z0-9]{10,120}[01]/R"; content:"|06 03 55 04 0a 0c|"; within:9; byte_extract:1,0,orglen,relative; content:!"|20|"; within:orglen; pcre:"/^(?=[a-z0-9]{0,119}[A-Z])(?=[A-Z0-9]{0,119}[a-z])[a-zA-Z0-9]{10,120}[01]/R"; content:"|06 03 55 04 03 0c|"; within:9; byte_extract:1,0,cnlen,relative; content:!"|2e|"; within:cnlen; content:!"|2a|"; within:cnlen; pcre:"/^(?=[a-z0-9]{0,119}[A-Z])(?=[A-Z0-9]{0,119}[a-z])(?P[a-zA-Z0-9]{10,120}[01]).+?\x55\x04\x03.{2}(?P=var)/Rs"; classtype:trojan-activity; sid:2021225; rev:3;)

Added 2015-07-17 17:00:19 UTC


alert tls $EXTERNAL_NET [443,4443] -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Upatre or Dyre SSL Cert June 9 2015"; flow:established,from_server; content:"|16|"; content:"|0b|"; within:8; content:"|02 09 00|"; distance:17; within:3; content:"|06 03 55 04 06 13 02|"; distance:0; pcre:"/^[A-Z]{2}[01]/R"; content:"|30 09 06 03 55 04 08 0c 02|"; distance:1; within:9; fast_pattern; pcre:"/^[A-Z]{2}[01]/R"; content:"|06 03 55 04 07 0c|"; within:9; byte_test:1,>,9,0,relative; byte_test:1,<,121,0,relative; pcre:"/^.{1}(?=[a-z0-9]{0,119}[A-Z])(?=[A-Z0-9]{0,119}[a-z])[a-zA-Z0-9]{10,120}[01]/R"; content:"|06 03 55 04 0a 0c|"; within:9; byte_extract:1,0,orglen,relative; content:!"|20|"; within:orglen; pcre:"/^(?=[a-z0-9]{0,119}[A-Z])(?=[A-Z0-9]{0,119}[a-z])[a-zA-Z0-9]{10,120}[01]/R"; content:"|06 03 55 04 03 0c|"; within:9; byte_extract:1,0,cnlen,relative; content:!"|2e|"; within:cnlen; content:!"|2a|"; within:cnlen; pcre:"/^(?=[a-z0-9]{0,119}[A-Z])(?=[A-Z0-9]{0,119}[a-z])(?P[a-zA-Z0-9]{10,120}[01]).+?\x55\x04\x03.{2}(?P=var)/Rs"; classtype:trojan-activity; sid:2021225; rev:3;)

Added 2015-06-25 18:15:35 UTC


alert tls $EXTERNAL_NET [443,4443] -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Upatre or Dyre SSL Cert June 9 2015"; flow:established,from_server; content:"|16|"; content:"|0b|"; within:8; content:"|02 09 00|"; distance:17; within:3; content:"|55 04 0a|"; distance:0; byte_extract:1,-6,len,relative; byte_extract:8,7,org,relative; content:"|55 04 03|"; distance:0; byte_test:1,=,len,-6,relative; byte_test:8,!=,org,7,relative; content:"|06 03 55 04 06 13 02|"; pcre:"/^[A-Z]{2}/R"; content:"|30 09 06 03 55 04 08 0c 02|"; distance:0; fast_pattern; pcre:"/^[A-Z]{2}/R"; content:"|55 04 0a|"; distance:0; byte_test:8,=,org,2,relative; content:"|55 04 07|"; pcre:"/^.{2}(?=[a-z0-9]{0,119}[A-Z])(?=[A-Z0-9]{0,119}[a-z])(?P[a-zA-Z0-9]{10,120}[01]).+?\x55\x04\x07.{2}(?P=var)/Rs"; classtype:trojan-activity; sid:2021225; rev:2;)

Added 2015-06-09 17:44:44 UTC


Topic revision: r1 - 2021-09-22 - TWikiGuest
 
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